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A Python decorator is a specific change to the Python syntax that allows us to more conveniently alter functions and methods (and possibly classes in a future version). This supports more readable applications of the DecoratorPattern but also other uses as well.

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  • How to use decorators in Python?

  • There is also an inner function that wraps around the decorated function. Here is the syntax for a basic Python decorator: To use a decorator ,you attach it to a function like you see in the code below. We use a decorator by placing the name of the decorator directly above the function we want to use it on.

  • What is a decorator in JavaScript?

  • A decorator takes a function, extends it and returns. Yes, a function can return a function. In the above example, hello () is a decorator. the function name () is decorated by the function hello (). It wraps the function in the other function. Functions can be extended by wrapping them. The function who () gets decorated by display ().

  • What is a decorator in C++?

  • A decorator takes a function, extends it and returns. Yes, a function can return a function. In the above example, hello () is a decorator. the function name () is decorated by the function hello (). It wraps the function in the other function.

  • How many decorators can be chained in Python?

  • Multiple decorators can be chained in Python. This is to say, a function can be decorated multiple times with different (or same) decorators. We simply place the decorators above the desired function.

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